nostrweb/src/cards.css

/* https://developer.mozilla.org/en-US/docs/Web/CSS/Layout_cookbook/Media_objects */
.mbox {
  align-items: center;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  margin-bottom: 1rem;
}

.mbox-img {
  --size: 4ch;
  align-self: start;
  flex-basis: var(--size);
  height: var(--size);
  margin-right: 1rem;
  margin-top: .5ch;
  max-width: var(--size);
}
.mbox-recommend-server .mbox-img {
  --size: 2.5ch;
  margin-left: 1ch;
  margin-right: 1.5ch;
}

.mbox-body {
  flex-basis: calc(100% - 64px - 1rem);
  flex-grow: 0;
  flex-shrink: 1;
  max-width: 96ch;
  word-break: break-word;
}

.mbox-header {
  flex-basis: calc(100% - 64px - 1rem);
  flex-grow: 0;
  flex-shrink: 1;
  margin-top: 0;
}
.mbox-header time,
.mbox-username {
  color: var(--color-accent);
}

.mbox-recommend-server .mbox-body {
  display: block;
  flex-basis: 100%;
  font-size: var(--font-small);
}

.mbox-recommend-server .mbox-header {
  display: inline;
}